3423205 has 24 divisors (see below), whose sum is σ = 4597632. Its totient is φ = 2441472.

The previous prime is 3423191. The next prime is 3423223. The reversal of 3423205 is 5023243.

It is not a de Polignac number, because 3423205 - 2⁹ = 3422693 is a prime.

It is a Duffinian number.

3423205 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33184 + ... + 33286.

It is an arithmetic number, because the mean of its divisors is an integer number (191568).

Almost surely, 2^3423205 is an apocalyptic number.

It is an amenable number.

3423205 is a deficient number, since it is larger than the sum of its proper divisors (1174427).

3423205 is a wasteful number, since it uses less digits than its factorization.

3423205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3423205 is about 1850.1905307292. The cubic root of 3423205 is about 150.7107748227.

Adding to 3423205 its reverse (5023243), we get a palindrome (8446448).

The spelling of 3423205 in words is "three million, four hundred twenty-three thousand, two hundred five".